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package stdlib
import (
"os/exec"
"github.com/d5/tengo/objects"
)
func makeOSExecCommand(cmd *exec.Cmd) *objects.ImmutableMap {
return &objects.ImmutableMap{
Value: map[string]objects.Object{
// combined_output() => bytes/error
"combined_output": &objects.UserFunction{Name: "combined_output", Value: FuncARYE(cmd.CombinedOutput)}, //
// output() => bytes/error
"output": &objects.UserFunction{Name: "output", Value: FuncARYE(cmd.Output)}, //
// run() => error
"run": &objects.UserFunction{Name: "run", Value: FuncARE(cmd.Run)}, //
// start() => error
"start": &objects.UserFunction{Name: "start", Value: FuncARE(cmd.Start)}, //
// wait() => error
"wait": &objects.UserFunction{Name: "wait", Value: FuncARE(cmd.Wait)}, //
// set_path(path string)
"set_path": &objects.UserFunction{
Name: "set_path",
Value: func(args ...objects.Object) (ret objects.Object, err error) {
if len(args) != 1 {
return nil, objects.ErrWrongNumArguments
}
s1, ok := objects.ToString(args[0])
if !ok {
return nil, objects.ErrInvalidArgumentType{
Name: "first",
Expected: "string(compatible)",
Found: args[0].TypeName(),
}
}
cmd.Path = s1
return objects.UndefinedValue, nil
},
},
// set_dir(dir string)
"set_dir": &objects.UserFunction{
Name: "set_dir",
Value: func(args ...objects.Object) (ret objects.Object, err error) {
if len(args) != 1 {
return nil, objects.ErrWrongNumArguments
}
s1, ok := objects.ToString(args[0])
if !ok {
return nil, objects.ErrInvalidArgumentType{
Name: "first",
Expected: "string(compatible)",
Found: args[0].TypeName(),
}
}
cmd.Dir = s1
return objects.UndefinedValue, nil
},
},
// set_env(env array(string))
"set_env": &objects.UserFunction{
Name: "set_env",
Value: func(args ...objects.Object) (objects.Object, error) {
if len(args) != 1 {
return nil, objects.ErrWrongNumArguments
}
var env []string
var err error
switch arg0 := args[0].(type) {
case *objects.Array:
env, err = stringArray(arg0.Value, "first")
if err != nil {
return nil, err
}
case *objects.ImmutableArray:
env, err = stringArray(arg0.Value, "first")
if err != nil {
return nil, err
}
default:
return nil, objects.ErrInvalidArgumentType{
Name: "first",
Expected: "array",
Found: arg0.TypeName(),
}
}
cmd.Env = env
return objects.UndefinedValue, nil
},
},
// process() => imap(process)
"process": &objects.UserFunction{
Name: "process",
Value: func(args ...objects.Object) (ret objects.Object, err error) {
if len(args) != 0 {
return nil, objects.ErrWrongNumArguments
}
return makeOSProcess(cmd.Process), nil
},
},
},
}
}
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